To provide a system for calculating wear energy of a tire, by which wear energy in an arbitrary area can be obtained without relying on a node position.SOLUTION: A system comprises: a wear energy analyzing unit 11 that calculates a wear energy value φfor each node ND defining an element E serving as a tread of a land part by using a tire FEM model representing a tire, which has a land part sectioned by grooves, by use of a plurality of elements; a cell setting unit 12 that divides the element E, corresponding to a target area set in advance with respect to the tread, into a plurality of cells C; and an interpolation unit 13 that calculates the wear energy value U of each of cells C by interpolating a plurality of corresponding nodes NDinto a shape function of an isoparametric element from a wear energy value φ.SELECTED DRAWING: Figure 1

    【課題】節点位置に依存せず、任意領域の磨耗エネルギーを得ることができる、タイヤの磨耗エネルギーを算出するシステムを提供する。【解決手段】システムは、溝で区画された陸部を有するタイヤを複数の要素で表現したタイヤFEMモデルを用いて、陸部のうち踏面となる要素Eを定義する節点ND毎に磨耗エネルギーの値φiを算出する磨耗エネルギー解析実行部11と、踏面に対して予め設定されたターゲット領域に対応する要素Eを細かい複数のセルCに分割するセル設定部12と、各々のセルCの磨耗エネルギーの値Uを、対応する複数の節点ND1〜4の磨耗エネルギーの値φiからアイソパラメトリック要素の形状関数で補間して算出する補間部13と、を有する。【選択図】図1


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    Title :

    SYSTEM FOR CALCULATING TIRE WEAR ENERGY, METHOD AND PROGRAM


    Additional title:

    タイヤの磨耗エネルギーを算出するシステム、方法及びプログラム


    Contributors:

    Publication date :

    2019-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / B60C VEHICLE TYRES , Fahrzeugreifen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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